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BOSTON MARATHON 2025

Arthur Krieg

Bib: 25164•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:41/mi
26:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
53:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:20:10
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:47:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:53:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:14:49
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:43:17
↑ 181↓ 1480.2%
20M
9:01/mi
2:55:32
↑ 64↓ 500.2%
21M
9:35/mi
3:05:07
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
3:11:34
↑ 17↓ 861.7%
23M
9:04/mi
3:22:55
↑ 23↓ 630.6%
24M
9:06/mi
3:32:01
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:39:51
↓ 200.3%
25.2M
10:09/mi
3:43:21
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:52:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:06
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:59:36
Pace9:07 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:0726:588:4126:58
8:41
-
10K
6.21 mi11:54:4453:358:3726:37
8:34
-0:07
15K
9.32 mi12:21:191:20:108:3626:35
8:33
-0:01
20K
12.43 mi12:48:241:47:158:3827:05
8:43
+0:10
Half
13.11 mi12:54:151:53:068:385:51
8:34
-0:09
25K
15.53 mi13:15:582:14:498:4121:43
8:57
+0:23
30K
18.64 mi13:44:262:43:178:4628:28
9:10
+0:13
20M
20.00 mi13:56:412:55:328:4712:15
9:01
-0:09
21M
21.00 mi14:06:163:05:078:499:35
9:35
+0:34
35K
21.75 mi14:12:433:11:348:496:27
8:37
-0:58
23M
23.00 mi14:24:043:22:558:4911:21
9:04
+0:27
24M
24.00 mi14:33:103:32:018:509:06
9:06
+0:02
40K
24.85 mi14:41:003:39:518:517:50
9:10
+0:04
25.2M
25.20 mi14:44:303:43:218:523:30
10:09
+0:59
Finish
26.22 mi14:53:513:52:428:539:21
9:11
-0:58

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:33 /mi

Average Pace

8:53 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:37

94% of race

Time at Steady Pace

9:35

4% of race

Time at Slower Pace

3:30

2% of race

Average Pace: 8:52 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:28:0726:588:4126:58
8:41
#20909
10K
6.21 mi11:54:4453:358:3726:37
8:34
#20513
15K
9.32 mi12:21:191:20:108:3626:35
8:33
#20216
20K
12.43 mi12:48:241:47:158:3827:05
8:43
#20023
Half
13.11 mi12:54:151:53:068:385:51
8:34
#19998
25K
15.53 mi13:15:582:14:498:4121:43
8:57
#19934
30K
18.64 mi13:44:262:43:178:4628:28
9:10
#19641
20M
20.00 mi13:56:412:55:328:4712:15
9:01
#19447
21M
21.00 mi14:06:163:05:078:499:35
9:35
#19258
35K
21.75 mi14:12:433:11:348:496:27
8:37
#19157
23M
23.00 mi14:24:043:22:558:4911:21
9:04
#18999
24M
24.00 mi14:33:103:32:018:509:06
9:06
#18956
40K
24.85 mi14:41:003:39:518:517:50
9:10
#18869
25.2M
25.20 mi14:44:303:43:218:523:30
10:09
#18844
Finish
26.22 mi14:53:513:52:428:539:21
9:11
#18889
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20909128231282319658(Top 69%)12351(Top 77%)12351(Top 1933%)
10K6.21 mi3.10 mi20513+39612676+14712676+14720171(Top 71%)12554(Top 78%)12554(Top 1965%)
15K9.32 mi3.11 mi20216+29712563+11312563+11319658(Top 69%)12351(Top 77%)12351(Top 1933%)
20K12.43 mi3.11 mi20023+19312481+8212481+8219483(Top 69%)12234(Top 76%)12234(Top 1915%)
Half13.11 mi0.68 mi19998+2512466+1512466+1519634(Top 69%)12308(Top 76%)12308(Top 1926%)
25K15.53 mi2.42 mi19934+6412434+3212434+3219701(Top 69%)12278(Top 76%)12278(Top 1921%)
30K18.64 mi3.11 mi19641+29312265+16912265+16918469(Top 65%)11599(Top 72%)11599(Top 1815%)
20M20.00 mi1.36 mi19447+19412162+10312162+10316858(Top 59%)10755(Top 67%)10755(Top 1683%)
21M21.00 mi1.00 mi19258+18912057+10512057+10516450(Top 58%)10458(Top 65%)10458(Top 1637%)
35K21.75 mi0.75 mi19157+10111999+5811999+5816185(Top 57%)10268(Top 64%)10268(Top 1607%)
23M23.00 mi1.25 mi18999+15811900+9911900+9916623(Top 59%)10347(Top 64%)10347(Top 1619%)
24M24.00 mi1.00 mi18956+4311854+4611854+4617863(Top 63%)10866(Top 67%)10866(Top 1700%)
40K24.85 mi0.85 mi18869+8711787+6711787+6717167(Top 60%)10457(Top 65%)10457(Top 1636%)
25.2M25.20 mi0.35 mi18844+2511773+1411773+1417655(Top 62%)10678(Top 66%)10678(Top 1671%)
Finish26.22 mi1.02 mi18889-4511767+611767+619831(Top 70%)11728(Top 73%)11728(Top 1835%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19658

Males

12351

M65-69

12351

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20171

Males

12554

M65-69

12554

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19658

Males

12351

M65-69

12351

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19483

Males

12234

M65-69

12234

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19634

Males

12308

M65-69

12308

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19701

Males

12278

M65-69

12278

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18469

Males

11599

M65-69

11599

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16858

Males

10755

M65-69

10755

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16450

Males

10458

M65-69

10458

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16185

Males

10268

M65-69

10268

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16623

Males

10347

M65-69

10347

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17863

Males

10866

M65-69

10866

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17167

Males

10457

M65-69

10457

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17655

Males

10678

M65-69

10678

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19831

Males

11728

M65-69

11728

Passing Analysis

Category:
Athletes Passed
2796
Passed By
776
Net Change
+2020
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20909
5K → 10K538142+396#20909#20513
10K → 15K35659+297#20513#20216
15K → 20K29299+193#20216#20023
20K → Half4116+25#20023#19998
Half → 25K188124+64#19998#19934
25K → 30K38188+293#19934#19641
30K → 20M21319+194#19641#19447
20M → 21M20718+189#19447#19258
21M → 35K1109+101#19258#19157
35K → 23M18224+158#19157#18999
23M → 24M8744+43#18999#18956
24M → 40K11124+87#18956#18869
40K → 25.2M4015+25#18869#18844
25.2M → Finish5095-45#18844#18889
TOTALS2796776+2020
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing